GB2473475B - Computer program for generating 1-bit image data from multiple-bit image data - Google Patents

Computer program for generating 1-bit image data from multiple-bit image data

Info

Publication number
GB2473475B
GB2473475B GB0915976.5A GB0915976A GB2473475B GB 2473475 B GB2473475 B GB 2473475B GB 0915976 A GB0915976 A GB 0915976A GB 2473475 B GB2473475 B GB 2473475B
Authority
GB
United Kingdom
Prior art keywords
image data
bit image
generating
computer program
bit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB0915976.5A
Other versions
GB0915976D0 (en
GB2473475A (en
Inventor
Andrew William Peter Cave
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB0915976.5A priority Critical patent/GB2473475B/en
Publication of GB0915976D0 publication Critical patent/GB0915976D0/en
Priority to PCT/GB2010/001701 priority patent/WO2011030101A2/en
Priority to CN201080051176.XA priority patent/CN102812696B/en
Priority to EP10768040A priority patent/EP2476245A2/en
Priority to US13/395,092 priority patent/US8654400B2/en
Publication of GB2473475A publication Critical patent/GB2473475A/en
Application granted granted Critical
Publication of GB2473475B publication Critical patent/GB2473475B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
GB0915976.5A 2009-09-11 2009-09-11 Computer program for generating 1-bit image data from multiple-bit image data Active GB2473475B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0915976.5A GB2473475B (en) 2009-09-11 2009-09-11 Computer program for generating 1-bit image data from multiple-bit image data
PCT/GB2010/001701 WO2011030101A2 (en) 2009-09-11 2010-09-09 Computer program for generating 1-bit image data from multiple-bit image data
CN201080051176.XA CN102812696B (en) 2009-09-11 2010-09-09 For producing equipment and the method for 1 bit image data from multidigit view data
EP10768040A EP2476245A2 (en) 2009-09-11 2010-09-09 Computer program for generating 1-bit image data from multiple-bit image data
US13/395,092 US8654400B2 (en) 2009-09-11 2010-09-09 Generating 1-bit image data from multiple-bit image data for producing when printed a dot image with reduced dot gain and appearance of patterning caused by isolated diagonally adjacent pixels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0915976.5A GB2473475B (en) 2009-09-11 2009-09-11 Computer program for generating 1-bit image data from multiple-bit image data

Publications (3)

Publication Number Publication Date
GB0915976D0 GB0915976D0 (en) 2009-10-28
GB2473475A GB2473475A (en) 2011-03-16
GB2473475B true GB2473475B (en) 2014-12-17

Family

ID=41277578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0915976.5A Active GB2473475B (en) 2009-09-11 2009-09-11 Computer program for generating 1-bit image data from multiple-bit image data

Country Status (5)

Country Link
US (1) US8654400B2 (en)
EP (1) EP2476245A2 (en)
CN (1) CN102812696B (en)
GB (1) GB2473475B (en)
WO (1) WO2011030101A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9508031B2 (en) 2012-05-22 2016-11-29 Andrew William Peter Cave Computer programs and methods for generating 1-bit image data from multiple-bit image data
US9819828B2 (en) 2016-03-15 2017-11-14 Xerox Corporation Non-printing dot halftone patterns
GB201604532D0 (en) 2016-03-17 2016-05-04 Reproflex3 Ltd Improvements in printing plate surface patterning
EP3463919B1 (en) 2016-05-27 2021-12-08 Esko Software BVBA Method for smoother tonal response in flexographic printing
US11388311B2 (en) 2020-06-05 2022-07-12 Esko Software Bvba System and method for obtaining a uniform ink layer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5602572A (en) * 1994-08-25 1997-02-11 Minnesota Mining And Manufacturing Company Thinned halftone dot patterns for inkjet printing
US5854882A (en) * 1994-04-08 1998-12-29 The University Of Rochester Halftone correction systems
US20050190385A1 (en) * 2004-02-26 2005-09-01 Sharp Laboratories Of America, Inc. Dot-gain reduction method for multi-level halftoning
EP2285089A2 (en) * 2009-08-14 2011-02-16 Fujitsu Limited Output Apparatus and Output Method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4654721A (en) 1985-04-12 1987-03-31 International Business Machines Corporation System for reproducing multi-level digital images on a bi-level printer of fixed dot size
US5087981A (en) 1990-01-02 1992-02-11 Eastman Kodak Company Error diffusion of overlapping dots
JPH053540A (en) * 1990-10-05 1993-01-08 Nippon Steel Corp Image processor
US5278671A (en) 1990-10-05 1994-01-11 Nippon Steel Corporation Image processing apparatus with correction of diffusion errors of overlapping dots
US5475497A (en) 1991-02-22 1995-12-12 At&T Ipm Corp. Two-dimensional display model-based halftoning
KR960005016B1 (en) * 1992-11-26 1996-04-18 삼성전자주식회사 Printing color control method and circuit in cvp
US5469267A (en) * 1994-04-08 1995-11-21 The University Of Rochester Halftone correction system
US5684932A (en) * 1994-07-01 1997-11-04 Seiko Epson Corporation Method and apparatus for dither array generation to reduce artifacts in halftoned image data utilizing ink reduction processing
US5557709A (en) * 1994-07-01 1996-09-17 Seiko Epson Corporation Method and apparatus for dither array generation to reduce artifacts in halftoned images
US5859955A (en) * 1997-01-21 1999-01-12 Xerox Corporation Stochastically clustered dot halftoning system
JP3427026B2 (en) * 1999-12-24 2003-07-14 大日本スクリーン製造株式会社 Halftone dot forming method and apparatus
JP3934442B2 (en) * 2001-03-16 2007-06-20 株式会社リコー Mask creation method, image processing apparatus, and software program
TWI325822B (en) 2007-04-04 2010-06-11 Univ Nat Taiwan Science Tech Ink saving and tone correction printing technique using error diffusion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5854882A (en) * 1994-04-08 1998-12-29 The University Of Rochester Halftone correction systems
US5602572A (en) * 1994-08-25 1997-02-11 Minnesota Mining And Manufacturing Company Thinned halftone dot patterns for inkjet printing
US20050190385A1 (en) * 2004-02-26 2005-09-01 Sharp Laboratories Of America, Inc. Dot-gain reduction method for multi-level halftoning
EP2285089A2 (en) * 2009-08-14 2011-02-16 Fujitsu Limited Output Apparatus and Output Method

Also Published As

Publication number Publication date
GB0915976D0 (en) 2009-10-28
CN102812696A (en) 2012-12-05
WO2011030101A2 (en) 2011-03-17
US8654400B2 (en) 2014-02-18
EP2476245A2 (en) 2012-07-18
GB2473475A (en) 2011-03-16
CN102812696B (en) 2016-03-02
US20120218607A1 (en) 2012-08-30

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